CN105044312B - The adiabatic static oxidation of the hot tracing compensation of High Temperature High Pressure and dynamic oxidation driving device - Google Patents
The adiabatic static oxidation of the hot tracing compensation of High Temperature High Pressure and dynamic oxidation driving device Download PDFInfo
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- CN105044312B CN105044312B CN201510432008.XA CN201510432008A CN105044312B CN 105044312 B CN105044312 B CN 105044312B CN 201510432008 A CN201510432008 A CN 201510432008A CN 105044312 B CN105044312 B CN 105044312B
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- thermocouple
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Abstract
The present invention relates to a kind of hot tracing compensation thermal insulation static state oxidation of High Temperature High Pressure and dynamic oxidation driving device, described device includes die body, weave control system, temperature control system and circuit protection system, described die body is provided with air inlet, ring presses mouth, thermocouple interface, binding post, extraction mouth, metallic sheath and thermocouple, it is provided with lighter in described air inlet, it is provided with annular space in described die body and be communicated to ring pressure mouth, it is provided with compensation heating plate outside described metallic sheath, described thermocouple inserts in metallic sheath respectively, described metallic sheath is built with sample, described thermocouple is picked out by thermocouple interface.The present invention is reacted by crude oil and the low-temperature oxidation of air, high-temperature oxydation is dynamic or burning displacement test improves oil recovery factor, overcome existing experimental provision exist heat scatter and disappear the shortcomings of, by fast temperature compensation function, experimental situation is synchronously heated up, reach the experiment condition of thermal insulation.
Description
Technical field
The present invention relates to a kind of hot tracing compensation adiabatic oxygenation experimental provision of High Temperature High Pressure, more particularly, to a kind of simulation oil reservoir
The adiabatic static oxidation of the hot tracing compensation of High Temperature High Pressure of air injection crude oil oxidation experiment and dynamic oxidation driving device.
Background technology
In recent years, oil reservoir air injection has proven to a kind of effective and the raising oil recovery factor of great potential
Technology.Can air injection technology effectively be implemented, and it is critical only that whether oxygen can fully occur oxidation reaction with in-place oil.Cause
This, the research aerial oxidation reaction of crude oil has great significance.
Both at home and abroad research and development crude oil oxidation unit and driving device are carried out and worked and make certain gains, such as：Lightweight
Oil reservoir air injection oil recovery crude oil low-temperature oxidation experimental device (application number：201110148934.6), simulated formation driving device (Shen
Please number：200420020302.5) etc..The equipment being presently available for the oxidation of large scale research crude oil mainly has constant temperature controllable oxidization anti-
Answer device and high pressure warming reactor.Constant temperature controllable reaction device can only study static crude oil oxidation reaction at a constant temperature, mainly
Have the following disadvantages：(1) it is unable to simulated air dynamic displacement crude oil process；(2) reactor can not be adiabatic, oxidation reaction release
Heat can quickly be delivered to surrounding, and heat is difficult to assemble, and is therefore difficult to monitor the situation of change of temperature in course of reaction,
And the change of temperature is significant to understanding crude oil oxidation reaction pattern and reaction condition during clear reaction；(3) due to
Reactor serious heat loss, does not therefore enable continuous oxidation reaction.
High pressure warming reactor can be used for simulating dynamic displacement process, but mainly heats up by external heat, observes
Oxidation reaction process under Elevated Temperature Conditions for the crude oil, this oxidation reaction actual in oil reservoir with crude oil is essentially different.
Therefore, existing experimental facilitiess can not simulate the dynamic oxidation displacement process of oil reservoir air injection under adiabatic conditions.
Content of the invention
For solving the above problems, the invention provides a kind of structure is simple, temperature self-compensation, compensation temperature high precision,
Heat resisting and pressure resisting, the adiabatic static oxidation of the hot tracing compensation of High Temperature High Pressure of working stability and dynamic oxidation driving device；The present invention carries
For device, static oxidization can be carried out under adiabatic conditions it is also possible to carry out dynamic oxidation displacement test, real in displacement
In testing, can be using back-up sand physical simulation experiment it is also possible to consolidation compacting core physical simulation be tested.
The technical scheme is that：
A kind of adiabatic static oxidation of the hot tracing compensation of High Temperature High Pressure and dynamic oxidation driving device it is characterised in that：Including
Die body, weave control system, temperature control system and circuit protection system, described die body is provided with air injection
Mouth, ring pressure mouth, thermocouple interface, binding post, extraction mouth, metallic sheath, thermocouple, plug one, compacting plug and thermal insulation barriers, described
It is provided with lighter, air inlet is installed on die body lowermost end, is provided with annular in described die body in air inlet
Space is communicated to ring pressure mouth, is provided with compensation heating plate, described thermocouple inserts in metallic sheath respectively, described outside described metallic sheath
Metallic sheath built with sample, described thermocouple is picked out by thermocouple interface；Described plug one is installed on metallic sheath lower end
Outside, thermocouple interface, binding post are arranged at outside plug one, are connected on the thermocouple in annular space by circuit, adopt
Outlet is arranged at compacting plug upper end and passes through UNICOM inside thermal insulation barriers and metallic sheath；
It is additionally provided with Heat preservation piece and muff, die body is connected with support by rotary shaft outside described die body,
Control panel is provided with support, control panel is connected by support with die body；
Described weave control system, is to pass sequentially through reduction box, connecting rod, gear, rotary shaft link model by direct current generator
Main body, Controlling model main body swings, and draws drawing-in wire, electric wire, holding wire in rotary shaft；
Described temperature control system is to pass through Pt100 resistance measurement temperature signal by panel power switch by temperature controller,
To control the conduction time on heating collar further according to temperature signal by the ON time that temperature controller controls solid-state relay, thus reaching
To temperature controlled purpose.
Preferably, inside metallic sheath and metallic sheath center is equipped with point for measuring temperature to described thermocouple.
Preferably, described compensation heating plate and thermocouple quantity are 6-18, and particular number is according to experimental facilitiess size
To determine with experimental subject situation.
Preferably, described control panel is provided with shift knob and display instrument, be internally provided with power-off protecting circuit and
Over-temp and over-pressure protection circuit.
The invention has the beneficial effects as follows：
1. it is used for oil reservoir air-injected low-temperature oxidation, high-temperature oxydation or combustion (of oil) insitu experiment, by the low temperature of crude oil and air
Oxidation reaction, high-temperature oxydation reaction or combustion reaction, realize crude oil and modify on the spot, reduce viscosity of crude, improve oil recovery factor；
2. subject is rotatable, increases mixing dynamics, can simulate different down-holes gradient simultaneously and put subject, improves
The fidelity of experiment；
3. in experimentation, real-time monitoring is carried out to temperature at model reaction device center and reactor wall by thermocouple,
And according to measured data automatically control compensation heating plate to its heating compensation, and compensation temperature be less than model reaction device center by
The temperature being increased in oxidation reaction, it is ensured that synchronously heating up with oxidation reaction, makes reaction carry out in adiabatic condition.
Brief description
Fig. 1 is the structural representation front view of the present invention；
Fig. 2 is the structural representation side view of the present invention；
Fig. 3 is the weave control system structure diagram of the present invention.
In figure 1 is lighter, and 2 is securing member, and 3 is flange, and 4 is plug one, and 5 is sealing member, and 6 is thermocouple, and 7 is to compensate
Heating plate, 8 is metallic sheath, and 9 is main body, and 10 is sample, and 11 is thermal insulation barriers, and 12 is plug two, and 13 is compacting plug, and 14 is pressure
Cap, 15 is Top fastening screw, and 16 is air inlet, and 17 is ring pressure mouth, and 18 is thermocouple interface, and 19 is binding post, and 20 is extraction
Mouthful, 21 is support, and 22 is muff, and 23 is Heat preservation piece, and 24 is insulation quilt, and 25 is rotary shaft, and 26 is control panel.
Specific embodiment
With reference to the accompanying drawings and examples, the specific embodiment of the present invention is described in further detail, below implements
Example is used for the present invention is described, but is not limited to the scope of the present invention.
As shown in Figure 1 and Figure 2, a kind of thermal insulation static state oxidation of High Temperature High Pressure hot tracing compensation and dynamic oxidation driving device, institute
The device stated includes die body, weave control system, temperature control system and circuit protection system, on described die body
It is provided with air inlet 16, ring pressure mouth 17, thermocouple interface 18, binding post 19, extraction mouth 20, metallic sheath 8 and thermocouple 6, heat
The quantity of galvanic couple 6 is 6-18, is provided with lighter 1 in described air inlet 16；It is provided with annular in described die body
Space is communicated to ring pressure mouth 17；It is provided with compensation heating plate 7, the quantity compensating heating plate 7 is 6-18 outside described metallic sheath 8
Individual；It is used for monitoring temperature in described thermocouple 6 insertion metallic sheath 8, thermocouple 6 has point for measuring temperature at two, is located at metal respectively
Cover 8 inwalls and metallic sheath 8 center, the temperature of inner wall temperature and metallic sheath 8 center can be detected simultaneously, thermocouple 6 passes through thermocouple
Interface 18 picks out；Built with sample 10, sample 10 is heavy oil or oil-sand to described metallic sheath 8；Because metallic sheath 8 and securing member etc.
Most of parts are metal material, are experiment safety and prevent that temperature leak is too fast to have selected special heat-barrier material, improve
Effect of heat insulation, presses in ring simultaneously and injects noble gases in mouth 17, so that the internal pressure of metallic sheath 8 and outside annular pressure is kept
Unanimously, also function to certain heat-blocking action simultaneously；Compacting plug 13 is tightened the effect playing compacting sample 10, pipeline etc. is from wiring
Pick out in post 19.
For preventing die body thermal loss too fast, it is mounted with Heat preservation piece 23 and muff 22, mould in body exterior
Type main body is passed through rotary shaft 25 and is fixed on the stent 21, and support 21 is connected with control panel 26, and control panel 26 typically sets
There are injection pressure, ring pressure pressure, layer of sand pressure, extraction pressure, temperature I, temperature II, model temperature, firing temperature, heating I, heating
IIth, shift knob and the display instrument such as hot tracking, ignition switch, Swinging switch, main power, startup.
Weave control system passes sequentially through reduction box, connecting rod, gear, rotary shaft 25 link model main body group by direct current generator
Become, weave control system is used for Controlling model main body and swings, and is provided with drawing-in wire, electric wire, holding wire in described rotary shaft 25；Swing
Control system is to be switched by panel power, and stroke proximity switch, to control the conducting of two DC relays, makes motor positive and negative
Then reach the purpose of swing, and the delay time of two D.C. contactor conductings is by two electro-delay systems on panel
Come to control.
Temperature control system is to pass through Pt100 resistance measurement temperature signal by panel power switch by temperature controller, then root
To control the conduction time on heating collar according to temperature signal by the ON time that temperature controller controls solid-state relay, thus reaching temperature
The purpose that degree controls.
This installation's power source adopts 220V, and panel is provided with total power switch and each branch road on and off switch, and board is provided with
The activate switch of power-off protection, power-off protecting circuit, that is, after power failure, then when sending a telegram here, circuit will not continue to energising it is necessary to again
Start instrument power initialization button, instrument can normal work, be additionally provided with over-temp and over-pressure protection circuit, that is, temperature or pressure are appointed
When what parameter exceedes setting value, instrument can carry out power-off protection.Apparatus of the present invention highest pressure voltage is 70MPa, and main body is
High-temperature resistant value is 700 DEG C, and compensation temperature precision is ± 0.3 DEG C.
Embodiment 1：
During static oxidization, press mouth 17 injection noble gases from ring, make the internal pressure of metallic sheath 8 and outside annular
Pressure is consistent, and injects air or oxygen from air inlet 16, static experiment typically only carries out low-temperature oxidation experiment, in reality
In testing, gas and style 10 carry out oxidation reaction；Derive the temperature data in temperature field by thermocouple interface 18, such as record metal
Set 8 inner side temperature and metallic sheath 8 central temperature exceed given threshold, then pass through programme-control, the temperature making temperature field can either
It is compensated rapidly, and the temperature not over reaction center, allow whole experiment internal temperature to equalize, reduce core heat
Scatter and disappear to outside, static oxidation reaction effect is understood by experiment；In experimentation, gas and style 10 is allowed to mix if necessary
Close evenly, then open weave control system and allow die body to rotate with rotary shaft 25 or to swing, velocity of rotation and rotation are frequently
Rate can be set according to experiment needs, is tested after being adjusted to a certain concrete angle simulated formation inclination angle if necessary, can
Device angle of inclination is set to the angle of required stratigraphic dip and fixes.
Embodiment 2：
During dynamic oxidation displacement test, press mouth 17 injection noble gases from ring, make internal pressure and the outside of metallic sheath 8
Annular pressure is consistent, and injects air or oxygen from air inlet 16, and in high-temperature oxydation experiment, gas and style 10 are carried out
Oxidation reaction, in burning displacement test, in the case that temperature can not reach spontaneous combustion, is acted on by lighter 1, make sample 10 with
Oxygen combustion produces thermosetting displacement heat front, and high-temperature oxydation experiment and burning displacement test are all derived by thermocouple interface 18
The temperature data in temperature field, such as records metallic sheath 8 inner side temperature and metallic sheath 8 central temperature exceedes given threshold, then pass through journey
Sequence controls, and so that the temperature in temperature field can either be compensated rapidly, and the temperature not over reaction center, makes whole experiment interior
Portion's temperature equalization, reduces core heat and scatters and disappears to outside, displacement crude oil flows to adopting Way out, eventually through extraction mouth
20 obtain testing output object, understand the dynamic oxidation Flooding Efficiency of crude oil by experiment；It is adjusted to a certain concrete angle if necessary
Degree simulated formation inclination angle is tested, and device angle of inclination can be set to the angle of required stratigraphic dip and fix.
Claims (4)
1. a kind of adiabatic static oxidation of the hot tracing compensation of High Temperature High Pressure and dynamic oxidation driving device it is characterised in that：Including mould
Type main body, weave control system, temperature control system and circuit protection system, described die body is provided with air inlet
(16), ring pressure mouth (17), thermocouple interface (18), binding post (19), extraction mouth (20), metallic sheath (8), thermocouple (6), plug
One (4), compacting plug (13) and thermal insulation barriers (11), are provided with lighter (1), air inlet in described air inlet (16)
(16) it is installed on die body lowermost end, be provided with annular space in described die body and be communicated to ring pressure mouth (17), described metal
It is provided with compensation heating plate (7), described thermocouple (6) is inserted in metallic sheath (8) respectively, in described metallic sheath (8) outside set (8)
Equipped with sample (10), described thermocouple (6) is picked out by thermocouple interface (18)；Described plug one (4) is installed on metallic sheath
(8) lower end outside, thermocouple interface (18), binding post (19) are arranged at outside plug one (4), are connected to annular sky by circuit
Between in thermocouple (6) on, extraction mouth (20) is arranged at compacting plug (13) upper end and passes through thermal insulation barriers (11) and metallic sheath (8)
Inner side UNICOM；
It is additionally provided with Heat preservation piece (23) and muff (22), die body passes through rotary shaft (25) and connects outside described die body
There is support (21), support (21) is provided with control panel (26), control panel (26) and die body pass through support (21) even
Connect；
Described weave control system passes sequentially through reduction box, connecting rod, gear, rotary shaft (25) link model main body by direct current generator
Composition, weave control system is used for Controlling model main body and swings；
Described temperature control system is to be switched by temperature controller measurement temperature signal by panel power, further according to temperature signal by temperature
The ON time of control instrument control solid-state relay controlling the conduction time on heating collar, thus reaching temperature controlled purpose.
2. a kind of thermal insulation static state oxidation of High Temperature High Pressure according to claim 1 hot tracing compensation and dynamic oxidation displacement dress
Put it is characterised in that：Inside metallic sheath (8) and metallic sheath (8) center is equipped with point for measuring temperature to described thermocouple (6).
3. a kind of thermal insulation static state oxidation of High Temperature High Pressure according to claim 1 hot tracing compensation and dynamic oxidation displacement dress
Put it is characterised in that：The quantity of described compensation heating plate (7) and thermocouple (6) is 6-18.
4. a kind of thermal insulation static state oxidation of High Temperature High Pressure according to claim 1 hot tracing compensation and dynamic oxidation displacement dress
Put it is characterised in that：Described control panel (26) is provided with shift knob and display instrument, is internally provided with power-off protection electricity
Road and over-temp and over-pressure protection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510432008.XA CN105044312B (en) | 2015-07-22 | 2015-07-22 | The adiabatic static oxidation of the hot tracing compensation of High Temperature High Pressure and dynamic oxidation driving device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510432008.XA CN105044312B (en) | 2015-07-22 | 2015-07-22 | The adiabatic static oxidation of the hot tracing compensation of High Temperature High Pressure and dynamic oxidation driving device |
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| CN105044312B true CN105044312B (en) | 2017-03-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105527408B (en) * | 2016-01-07 | 2017-10-03 | 西南石油大学 | A kind of high pressure air injection heat of oxidation effect detection tracking test device and method |
| CN108071379A (en) * | 2018-02-07 | 2018-05-25 | 北京永瑞达科技有限公司 | A kind of combustion drive forward position thermal compensation tracking test device |
| CN111521720A (en) * | 2020-05-08 | 2020-08-11 | 上海交通大学 | Testing device for fuel oxidative decomposition characteristics under extreme conditions |
| CN113358685A (en) * | 2020-08-24 | 2021-09-07 | 中海油能源发展股份有限公司 | Temperature compensation system for low-temperature oxidation intelligent detection |
| CN114218645B (en) * | 2021-12-16 | 2022-07-01 | 哈尔滨工业大学 | Box girder steam-curing thermodynamic coupling field theoretical model with physical property space-time variation and calculation method |
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